St. Peters, Missouri Weather:
Wednesday, December 30, 2026
Cloudy Weather
Day 34°
Night 21°
Precipitation 0 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (December 30, 2025)
Cloudy Weather

Day

36°

Night

27°

Wind

8 mph

UV Index

2

Precipitation

1 %